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■ 1/4 inch 4Hz to 20kHz external polar polymer -type ultra -high sound pressure sound field Micro hon The 4941 type is specially designed for very high level of sound pressure measurement. This robust structure can be used without breaking the impact sound up to 201dB. Since the 4941 type is an external bias, it must be used in combination with the conventional preamplifier. ■ Usage examples ・ Measurement of gun voices and gun sounds ・ Measurement of fireworks sound ・ Rocket noise measurement ・ Measurement of general -purpose high intensity sound ■ Sound pressure sound field usage of microphones The sound pressure sound field microfon is optimized to have a flat frequency characteristics in the sound pressure sound field. The sound pressure sound field is used for measurements in small sealed couplers and high -reflective surface. Type 4941 is suitable for measurement of very high sound pressure up to 20 kHz. If the 4941 type is used in the free sound field, it is necessary to use the incident angle to 90 ° and remove the protective grid. In these environments, the response in the free sound can generally be used in an error of 2 db or less up to 20kHz. ■ stability In addition to a laser welded, extremely thin and robust stainless steel diaphragm, a special backstate has been designed for long -term stability and mechanical robustness. ■ Union -poles Type 4191 requires external bias polar poles and must be used in combination with conventional preamplifiers. External uneven microphones can be used at relatively high temperatures without causing extreme changes in sensitivity. The 4941 type can have a TEDS function by combining with a different conventional preamplifier. TEDS Micro Hon is integrated with microphones and preamplifiers, shielded in a clean environment. Since the sensitivity when the cartridge is actually installed is written on the TEDS, the transduca can be used immediately without having to set the sensitivity manually. The default TEDS template is IEEE P 1451.4, but it is also possible to incorporate IEEE 1451.4 at request.
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